Portable reading light



FIG. 1 is a perspective view of a portable reading light, showing my new design;

FIG. 2 is another perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is a top plan view thereof; and,

FIG. 8 is a bottom plan view thereof.

The broken line showing of the portable reading light is for the purpose of illustrating portions of the article and forms no part of the claimed design. 

CLAIM The ornamental design for a portable reading light, as shown and described. 